摘要：#数字int a="1223" print(int(a)) n="0011" print(int(n,base=2)) #bit_length()表示转化为2进制的位数 m=5 print(m.bit_length()) #字符串 # #把首字母变为大写 # test="shijs" # v=tes 阅读全文

摘要：1、变量 a="hello world" print(a) 2.字符串和合并（拼接）字符串 name = "ada lovelace" print(name.title()) first_name = "ada" last_name = "lovelace" full_name = first_na 阅读全文